The nature of Silk secreted by certain lepidopteron moths is ______?

The nature of Silk secreted by certain lepidopteron moths is ______?

بعض لیپیڈوپٹیرون کیڑے کے ذریعے خارج ہونے والی ریشم کی نوعیت ______ ہے؟
Explanation
  • Silk secreted by certain lepidopteran moths is primarily made of protein.
  • The protein is known as fibroin, produced by the moth's silk glands.